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Finding the Fourth Proportional to 11,950.94, 17,934.99 and 8,009.72

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Solution

The fourth proportional to 11,950.94, 17,934.99 and 8,009.72 is: 12,020.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.94 : 17,934.99 = 8,009.72 : x
  2. Step 2: Convert to fraction form
    11,950.94/17,934.99 = 8,009.72/x
  3. Step 3: Cross multiply
    11,950.94x = 17,934.99 × 8,009.72
  4. Step 4: Simplify right side
    11,950.94x = 143,654,195.65
  5. Step 5: Solve for x
    x = 143,654,195.65/11,950.94
  6. Step 6: Final answer
    x = 12,020.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.